Things you will need orbital sander 80 120 grit sandpaper safety glasses dust mask rags tape measure pencil 48 inch spirit level mastic or thin set mortar grooved trowel tile spacers tile cutting tool grout grout spreader sponge grout haze remover optional distilled white vinegar optional.
Tiling over a painted wall.
Your good to go just make sure the tiling and grouting is done to a very high standard if water is able to pass to the wall you will end up with damp problems.
The board is not being prepared for painting papering or any other surface finish.
You may tile over existing tile painted or unpainted drywall plaster and textured walls.
The board must be fastened and prepared to support a tile installation as the surface finish.
Scrape away any loose or peeling paint or wallpaper.
Weight of the installation.
Walls can take on a new look when old paint is covered by new tile.
Wall preparation is an important step when you in install tile on a painted wall.
You should not tile over wallpaper glossy surfaces lead paint or plywood.
Start by removing any molding switch plates outlet covers and other hardware attached to the area being tiled.
Only on the boarder tile mind.
Choosing the right tile.
Answered 19th jan 2017.
For instance if you are tiling over a painted.
Score a line and then using a wall paper scraper see if you can lift the paint from the wall before tiling.
I tiled on emulsion thinking i would get away with it.
If your paint tests positive call a professional.
Can you install tile on a painted wall.
Previously painted textured drywall prep.
Let the wall dry thoroughly.
Remove any remaining dust oil or grease with tsp tri sodium phosphate or an ammonia based cleanser.
I would suggest marking just below where the tiles are to finish.
Or prime and paint the entire wall room before starting with your tile project.
Flatness of the substrate.
The moisture in the cement makes the emulsion go soft and it can loose its grip on the wall.
Score the wall with a stanley knife all over the area to be tiled the more heavily the better.
However tiling over tile can add quite a bit of thickness so make sure your wall can handle the weight.
Then give a couple of coats of pva or sbr bond.
Additional considerations for a vertical tile installation on gypsum board include.